I have this same radio in yellow and white and it is a 9V radio. It has the option of either using 6 "D" cell batteries or that oddball 9V battery pack. To use "D" cells, plug the cable for the oddball battery pack into a socket on the radio. To use the single 9V pack, remove the "D" cells, unplug the battery cable, and plug it into the 9V battery pack.
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